r/todayilearned • u/Ill_Definition8074 • 12h ago

TIL In 2019 a Japanese University student studying ninja history turned in an essay written in invisible ink. The words only became visible when the paper was heated over a gas stove. Her professor without even revealing the whole essay gave her an A.

https://www.bbc.com/news/world-asia-49996166
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u/Professional-Day7850 10h ago

And Bigfoot actually is blurry.

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u/Tepigg4444 10h ago

it’s an evolutionary adaptation to the invention of cameras

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u/BonnieMcMurray 8h ago

Meanwhile, the Loch Ness monster developed a life-threatening allergy to oxygen in air.

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u/puzzlemaster_of_time 5h ago

That's even scarier. A large out-of-focus monster wandering the countryside.